This is an optional Traxxas "short" RPM Sensor. To collect critical RPM data (Revolutions Per Minute), a "trigger magnet" is installed in the spur gear of electric models, or the flywheel of nitro...
This is an optional Traxxas RPM Sensor Mount Set, and is intended for use with a Traxxas nitro vehicle when wanting to use the optional Traxxas RPM sensor (TRA6520/TRA6522). The sensor mount...